Ice-creeper



(No Model.)

R. A. CAMP. IOE GREEPER. NO. 450,503.

Patented Apr. 14, 1891.

W/ TNE SSE S Mad,

ATTORNEYS UNITED STATES ATENT FFICE.

ROLLIN A. CALWIP, OF SAGINAV, MICHIGAN.

lCE-CREEPER.

v SPECIFICATION forming part of Letters Patent No. 450,503, dated April14., 1891.

Application filed December 9, 1890, Serial No. 374,035. (No model.)

To 00% whom it may concern.-

Be it known that I, RoLLIN A. CAMP, of Saginaw, in the county of Saginawand State of Michigan, have invented a new and useful Improvement inIce-Creepers, of which the following is a full, clear, and exactdescription.

This invention relates to devices for preventing pedestrians fromslipping on ice or frozen surfaces; and it consists in an icecreeper ofnovel construction, substantially as hereinafter described, and moreparticularly pointed out in the claims, and which is cheap, simple, andeffective, and can readily be put on or taken off the boot or shoe, alsocan be applied over a rubber or other over- Reference is to be had tothe accompanying drawings, formingapart of this specification, in whichsimilar letters of reference indicate corresponding parts in all thefigures.

Figure l is a partly sectional longitudinal elevation showing theimprovement applied to a boot or shoe shown only in part by dottedlines; Fig. 2, an inverted plan View of the same, and Figs. 3 and-1 planviews of the sections detached.

A represents a plate of steel or other suitable material formed of twosections a, a, adjustably secured together, as hereinafter described,and provided with small spikes or spurs s, projecting therefrom. One endof the plate a is bent upward, as at b, to engage the outer side of thesole, and the plate a is provided at one end with a cam or eccentric 0,having an attached operatinglever c. This cam is united by an uprightrivet to the plate, so as to turn thereon, and is so set that when thelever c is turned toward the heel of the boot or shoe, as illustrated byfull lines in Fig. 2, it will bind on the inner side or margin of thesole and lock the plate A firmly to the sole; but when said lever isturned half-way round in an opposite directionthat is, toward the toeend of the shoe, as shown by dotted lines in Fig. 2then the cam C isrelieved from grip or pressure on the sole, which admits of theice-creeper being readily removed. The lever 0 should be adjusted tothis latter position when putting the ice-creeper on the boot or shoe,and to facilitate this adjustment the cam O is provided with a lateralprojection d, which, when the cam-lever is turned to its unlockingposition, strikes an upwardly-projecting stop 6 on the cambarrying endof the plate A. The gripping-surface of the cam .O is made beveling ortapering downward to bring the plate A more firmly up against the soleafter the whole creeperhas been slid to its place along the sole towardthe heel as far as it can or should go, and the cam-lever then turnedbackward to lock the ice-creeper to the boot or shoe.

The section a is provided with the slotfin it for the inner reduced endportion of the section a, which carries the cam C and its lever, to passup through. The section a of the plate has a series of holes 9 in itfor-a spike or spur 8, attached to the section a to pass through, andthe section a has at or beyond the other end of the slotfan attachedspur 5, adapted to pass through any oneof a series of holes g in thesection a of the plate, and accordingly as these spur-holding portionsof the plate are adjusted to project their respective spurs throughcertain of the holes g or g, the ice-creeper will be extended orcontracted, as required.

Having thus described my invention, I claim as new and desire to secureby Letters Patent- 1. An ice-creeper comprising aplate formed insections, one section being slotted and provided with a flange and theother provided with a cam, each section being provided with a series ofapertures and a spur, the spur of one section projecting through one ofthe apertures of the other section, substantially as described.

2. In an ice-creeper, the combination of the section a, provided withthefiange b, the longitudinal slot f, the apertures g, and the spur s,and the section at, having one end reduced and provided with a spur onthe reduced end, the downwardly-tapering cam 0, having the lever c atthe opposite end, and the apertures g, substantially as herein shown anddescribed.

3. The ice-creeper plate A, having a projecting stop 6 at its one end,in combination with the locking-cam O and its lever 0, pro vided with alateral projection d for operation in relation with said stop,substantially as specified.

. ROLLIN A. CAMP.

\Vitnesses:

CHRIS. P. STREET, F. E. SMITH.

